package cn.wolfcode.wolf2w.redis.service.impl;

//import cn.wolfcode.wolf2w.cache.vo.StrategyStatisVO;
import cn.wolfcode.wolf2w.domain.Destination;
import cn.wolfcode.wolf2w.domain.Strategy;
import cn.wolfcode.wolf2w.domain.StrategyCatalog;
import cn.wolfcode.wolf2w.domain.StrategyTheme;
import cn.wolfcode.wolf2w.query.StrategyQuery;
import cn.wolfcode.wolf2w.redis.service.IStrategyCatalogService;
import cn.wolfcode.wolf2w.redis.service.IStrategyService;
import cn.wolfcode.wolf2w.redis.service.IStrategyThemeService;
import cn.wolfcode.wolf2w.redis.vo.StrategyStatisVO;
import cn.wolfcode.wolf2w.repository.StrategyRepository;
import cn.wolfcode.wolf2w.service.IDestinationService;
//import cn.wolfcode.wolf2w.service.IStrategyCatalogService;
//import cn.wolfcode.wolf2w.service.IStrategyService;
//import cn.wolfcode.wolf2w.service.IStrategyThemeService;
import cn.wolfcode.wolf2w.util.DBHelper;
import io.netty.util.concurrent.NonStickyEventExecutorGroup;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.Date;
import java.util.List;

@Service
//@Transactional mongodb事务必须复制集方式
public class StrategyServiceImpl implements IStrategyService {

    @Autowired
    private StrategyRepository repository;

    @Autowired
    private MongoTemplate template;

    @Autowired
    private IStrategyCatalogService strategyCatalogService;

    @Autowired
    private IStrategyThemeService strategyThemeService;

    @Autowired
    private IDestinationService destinationService;


    @Override
    public void save(Strategy strategy) {
        strategy.setId(null);
        repository.save(strategy);
    }

    @Override
    public List<Strategy> queryCatalogId(String id) {
        return repository.findByCatalogId(id);
    }

    @Override
    public void update(Strategy strategy) {
        repository.save(strategy);
    }

    @Override
    public void delete(String id) {
        repository.deleteById(id);
    }

    @Override
    public Strategy get(String id) {
        return repository.findById(id).orElse(null);
    }

    @Override
    public List<Strategy> list() {
        return repository.findAll();
    }

    @Override
    public Page<Strategy> query(StrategyQuery qo) {
        //攻略分页,通过目的地id和主题看攻略
        Query query = new Query();

        //目的地id
        if(StringUtils.hasLength(qo.getDestId())){
            query.addCriteria(Criteria.where("destId").is(qo.getDestId()));
        }

        //攻略主题id
        if(StringUtils.hasLength(qo.getThemeId())){
            query.addCriteria(Criteria.where("themeId").is(qo.getThemeId()));
        }

        Pageable pageable = PageRequest.of(qo.getCurrentPage() - 1, qo.getPageSize(),
                Sort.Direction.ASC, "_id");
        return DBHelper.query(template,pageable,query,Strategy.class,qo);
    }

    @Override
    public void saveOrUpdate(Strategy strategy) {
        //目的地id
        StrategyCatalog catalog = strategyCatalogService.get(strategy.getCatalogId());
        strategy.setDestId(catalog.getDestId());
        //目的地name
        strategy.setDestName(catalog.getDestName());
        //主题名称
        StrategyTheme theme = strategyThemeService.get(strategy.getThemeId());
        strategy.setThemeName(theme.getName());
        //分类名称
        strategy.setCatalogName(catalog.getName());
        //是否国外
        //中国 >> 广东 >> 广州
        List<Destination> toasts = destinationService.queryToasts(catalog.getDestId());
        if(toasts != null && toasts.size() > 0){
            Destination dest = toasts.get(0);
            if("中国".equals(dest.getName())){
                strategy.setIsabroad(Strategy.ABROAD_NO); //国内
            }else{
                strategy.setIsabroad(Strategy.ABROAD_YES);//国外
            }
        }
        if(StringUtils.hasLength(strategy.getId())){
            //维护不需要修改的字段数据
            //1:查询
            Strategy temp = this.get(strategy.getId());
            //2:替换
            strategy.setCreateTime(temp.getCreateTime());
            strategy.setViewnum(temp.getViewnum());
            strategy.setReplynum(temp.getReplynum());
            strategy.setThumbsupnum(temp.getThumbsupnum());
            strategy.setFavornum(temp.getFavornum());
            strategy.setSharenum(temp.getSharenum());
            //3:更新
            this.update(strategy);
        }else{
            //save
            //创建时间
            strategy.setCreateTime(new Date());
            this.save(strategy);
        }

    }


    @Override
    public void changeState(String id, int state) {
        //部分更新字段
        // update table set xx=aa
        //db.collection.update({...}, {$set:{xxx:aa}})
        Query query  = new Query();
        query.addCriteria(Criteria.where("_id").is(id)); //where
        Update update = new Update();  //$set
        update.set("state", state); // state = 1
        template.updateMulti(query, update, Strategy.class);
    }

    @Override
    public List<Strategy> queryViewnumTop3(String destId) {
        //1:目的地id必须指定
        //2:点击量倒序
        //3:截取前面3个
        Pageable pageable = PageRequest.of(0, 3,
                Sort.Direction.DESC, "viewnum");
        List<Strategy> list = repository.findByDestId(destId,pageable);
        return list;
    }

    //vo对象持久化更新
    @Override
    public void updateStrategyVo(StrategyStatisVO vo) {
        Query query = new Query();
        query.addCriteria(Criteria.where("_id").is(vo.getStrategyId()));
        Update update = new Update();
        update.set("viewnum", vo.getViewnum());
        update.set("replynum", vo.getReplynum());
        update.set("favornum", vo.getFavornum());
        update.set("sharenum", vo.getSharenum());
        update.set("thumbsupnum", vo.getThumbsupnum());
        template.updateMulti(query, update, Strategy.class);
    }

    @Override
    public List<Strategy> queryByDestName(String destName) {
        return repository.findByDestName(destName);
    }
}
